21637798

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1949}}^1$

素因数の和:2032

約数の個数: 32

約数和(自身を含む): 40622400

約数和(自身を除く): 18984602

約数列:

[1, 2, 7, 13, 14, 26, 61, 91, 122, 182, 427, 793, 854, 1586, 1949, 3898, 5551, 11102, 13643, 25337, 27286, 50674, 118889, 177359, 237778, 354718, 832223, 1545557, 1664446, 3091114, 10818899, 21637798]

約数ペア:

[(1, 21637798), (2, 10818899), (7, 3091114), (13, 1664446), (14, 1545557), (26, 832223), (61, 354718), (91, 237778), (122, 177359), (182, 118889), (427, 50674), (793, 27286), (854, 25337), (1586, 13643), (1949, 11102), (3898, 5551)]